Technical data

4–51
Compaq HSZ80 Array Controller ACS Version 8.3 Maintenance and Service Guide
Checking Unit Status and I/O Activity
Use the cache display to see the status and I/O activity for the logical units configured
on the controller (see Figure 4–3). Table 4–13 lists the heading and contents for each
column of the device status region.
Table 4–12 Device-Port Status Columns
Column Contents
Port SCSI device ports 1 through 6.
Rq/S Average request rate for the port during the last update interval. Requests
can be up to 32K and generated by host or cache activity.
RdKB/S Average data transfer rate from the devices on the port (reads) during the last
update interval.
WrKB/S Average data transfer rate to the devices on the port (writes) during the last
update interval.
CR Number of SCSI command resets that occurred since VTDPY was started.
BR Number of SCSI bus resets that occurred since VTDPY was started.
TR Number of SCSI target resets that occurred since VTDPY was started.